In today s video i will be showing you how to repair or replace a quarter turn ceramic disk tap valve.
Ceramic disc taps low pressure.
In ceramic disc tapware the valve is replaced by ceramic discs which slide over each other think of the twist caps on salt and spice dispensers.
When buying new taps be very careful unless you have a combi boiler.
Disadvantages everything has it s downside and there are cons to ceramic disc taps.
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Ceramic disc cartridges are simply two ceramic discs with holes through them.
When both discs are in alignment the water is allowed to flow through the tap and when they are no longer aligned the water stops.
Taps with new ceramic disc spindles the only inconvenient part of the issue was i couldn t fix the problem immediately because i only had washers not spare ceramic discs.
When the tap is opened the discs slide to cover each other and so leave an opening which allows water to flow.
Disadvantages everything has it s downside and there are cons to ceramic disc taps.
They do eventually wear out and are more expensive than old style taps and are not suitable for very low water pressure.
When the tap is closed the ceramic discs completely cover the tap seat.
How does ceramic disc technology work.
In photo 2 we can see the parts we are concerned with.
A disc retaining washer b ceramic discs c o ring which stops any water seepage up to the head of the tap d valve retaining nut e spindle on which the handle sits.
Attractive the use of ceramic disc technology becomes.
Unusually many of the manufacturers seem to use standard sizes so getting a replacement is often straightforward.
Ceramic disc cartridges are made with two ceramic discs each with two holes for mixer taps or one hole for a pillar or two handle tap.
To make it easy to change washers or ceramic discs for a basin get your plumber to install a stop valve or whisper flood stop isolating valve so the water can be isolated.
One disc is fixed in place whilst the other moves with the tap handle.
One disc is fixed in place whilst the other moves with the tap handle.
When they are no longer aligned the water stops.
When both discs are in alignment the water is allowed to flow through the tap.
They do eventually wear out and are more expensive than old style taps and are not suitable for very low water pressure.